boost/test/tools/cstring_comparison_op.hpp

   1 //  (C) Copyright Gennadiy Rozental 2001.
   2 //  Distributed under the Boost Software License, Version 1.0.
   3 //  (See accompanying file LICENSE_1_0.txt or copy at
   4 //  http://www.boost.org/LICENSE_1_0.txt)
   5
   6 //  See http://www.boost.org/libs/test for the library home page.
   7 //
   8 //!@file
   9 //!@brief C string comparison with enhanced reporting
  10 // ***************************************************************************
  11
  12 #ifndef BOOST_TEST_TOOLS_CSTRING_COMPARISON_OP_HPP_050815GER
  13 #define BOOST_TEST_TOOLS_CSTRING_COMPARISON_OP_HPP_050815GER
  14
  15 // Boost.Test
  16 #include <boost/test/tools/assertion.hpp>
  17
  18 #include <boost/test/utils/is_cstring.hpp>
  19 #include <boost/test/utils/basic_cstring/compare.hpp>
  20
  21 // Boost
  22 #include <boost/utility/enable_if.hpp>
  23
  24 #include <boost/test/detail/suppress_warnings.hpp>
  25
  26 //____________________________________________________________________________//
  27
  28 namespace boost {
  29 namespace test_tools {
  30 namespace assertion {
  31 namespace op {
  32
  33 // ************************************************************************** //
  34 // **************               string_compare                 ************** //
  35 // ************************************************************************** //
  36
  37 #define DEFINE_CSTRING_COMPARISON( oper, name, rev )                \
  38 template<typename Lhs,typename Rhs>                                 \
  39 struct name<Lhs,Rhs,typename boost::enable_if_c<                    \
  40     (   unit_test::is_cstring_comparable<Lhs>::value                \
  41      && unit_test::is_cstring_comparable<Rhs>::value)               \
  42     >::type >                                                       \
  43 {                                                                   \
  44     typedef typename unit_test::deduce_cstring_transform<Lhs>::type lhs_char_type; \
  45     typedef typename unit_test::deduce_cstring_transform<Rhs>::type rhs_char_type; \
  46 public:                                                             \
  47     typedef assertion_result result_type;                           \
  48                                                                     \
  49     typedef name<                                                   \
  50         typename lhs_char_type::value_type,                         \
  51         typename rhs_char_type::value_type> elem_op;                \
  52                                                                     \
  53     static bool                                                     \
  54     eval( Lhs const& lhs, Rhs const& rhs)                           \
  55     {                                                               \
  56         return lhs_char_type(lhs) oper rhs_char_type(rhs);          \
  57     }                                                               \
  58                                                                     \
  59     template<typename PrevExprType>                                 \
  60     static void                                                     \
  61     report( std::ostream&       ostr,                               \
  62             PrevExprType const& lhs,                                \
  63             Rhs const&          rhs)                                \
  64     {                                                               \
  65         lhs.report( ostr );                                         \
  66         ostr << revert()                                            \
  67              << tt_detail::print_helper( rhs );                     \
  68     }                                                               \
  69                                                                     \
  70     static char const* revert()                                     \
  71     { return " " #rev " "; }                                        \
  72 };                                                                  \
  73 /**/
  74
  75 BOOST_TEST_FOR_EACH_COMP_OP( DEFINE_CSTRING_COMPARISON )
  76 #undef DEFINE_CSTRING_COMPARISON
  77
  78 //____________________________________________________________________________//
  79
  80 } // namespace op
  81 } // namespace assertion
  82 } // namespace test_tools
  83 } // namespace boost
  84
  85 #include <boost/test/detail/enable_warnings.hpp>
  86
  87 #endif // BOOST_TEST_TOOLS_CSTRING_COMPARISON_OP_HPP_050815GER
  88